GROWTH HABIT: A low trailing annual or short-lived perennial reproducing from seeds.
LEAVES: Leaves are compound with 3 oval-shaped leaflets which are finely toothed and have prominent veins. The central leaflet is borne on a short stalk.
STEMS: Stems prostrate, 4-angled, branching from the base and radiating out from a taproot, 1 to 2 feet in length.
FLOWER: Flowers are small and bright yellow, about 1/8 inch long, borne in clusters about ½ to 3/4 inch long. Flowers produce small pods which are kidney-shaped, thick-walled and curved. The pods are hairy but not spined and contain one seed.
SEEDS: One seed per pod.
OTHER: The spiny pods of California burclover (M. Hispida Gaetn.) Differentiate it from black medic. Back medic and burclover are natives of eastern Europe and Asia. They are found in the western United States and are a nuisance in lawns and gardens and along roadsides and waste areas. Flowering occurs from April to September.